General Description

One-Wire is a device communications bus system designed by Dallas Semiconductor Corp. that provides low-speed data, signaling, and power over a single conductor.

https://en.wikipedia.org/wiki/1-Wire

 

1-wire dallas

 

One Wire Extender is a device that allow you to extend a OneWire line into three other line in order to plug three devices individually controllable.

The devices connect to the line only when interrogated and enabled otherwise they aren’t physically connect to the OneWire net.

 

Specification and Pinouts

PARAMETERMINTYPMAXUNITS
Operating Voltage33.3 or 55.5V
Operating Temperature Range -40-+85°C
Storage Temperature Range-55-+125°C

Mechanical Informations

1-wire

Example 1: Taking a temperature reading from 3 Ds18B20 probes

Dallas

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